Home / 668,545,962.93-922,622,243.29-371,188,219.77

Finding the Fourth Proportional to 668,545,962.93, 922,622,243.29 and 371,188,219.77

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Solution

The fourth proportional to 668,545,962.93, 922,622,243.29 and 371,188,219.77 is: 512,255,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,545,962.93 : 922,622,243.29 = 371,188,219.77 : x
  2. Step 2: Convert to fraction form
    668,545,962.93/922,622,243.29 = 371,188,219.77/x
  3. Step 3: Cross multiply
    668,545,962.93x = 922,622,243.29 × 371,188,219.77
  4. Step 4: Simplify right side
    668,545,962.93x = 342,466,508,006,090,944
  5. Step 5: Solve for x
    x = 342,466,508,006,090,944/668,545,962.93
  6. Step 6: Final answer
    x = 512,255,741.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.